again, Markus, I am even more curious why the accurracy is used as the criteria for the second track, is the dataset a balanced one with almost the same number of positive and negative entries (for every user)?
2011/2/12 Markus Weimer <[email protected]> > Hi, > > go for it! I'd do it myself but the rules we wrote prohibit me from > doing so ;-) > > Take care, > > Markus > > On 2/11/11 4:36 AM, Sean Owen wrote: > > While I may not spend time trying to win the first one, I'd be happy > > to run it through what we have so far and enter the results. It would > > be an interesting benchmark. > > > > On Fri, Feb 11, 2011 at 12:26 PM, Isabel Drost <[email protected]> > wrote: > >> http://www.kdd.org/kdd2011/kddcup.shtml > >>> KDD-Cup 2011: Recommending Music Items based on the Yahoo! Music > >>> Dataset We challenge participants to identify user tastes in music by > >>> analyzing real ratings of Yahoo! Music anonymized users. The dataset > >>> represents a snapshot of the community's preferences for various > >>> musical items. > >> http://www.heritagehealthprize.com/competition.php > >>> The goal of the prize is to develop a predictive algorithm that can > >>> identify patients who will be admitted to the hospital within the > >>> next year, using historical claims data. > >> Isabel > >> > >
